sgm7223 sg-micro, sgm7223 Datasheet

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sgm7223

Manufacturer Part Number
sgm7223
Description
High Speed Usb 2.0 Dpdt Analog Switch
Manufacturer
sg-micro
Datasheet

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Part Number
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Price
Part Number:
SGM7223
Manufacturer:
圣帮微
Quantity:
20 000
Part Number:
sgm7223YTQD10/TR
Manufacturer:
SGMICRO
Quantity:
20 000
GENERAL DESCRIPTION
The SGM7223 is a high-speed, low-power double-pole/
double-throw (DPDT) analog switch that operates from
a single +1.8V to +4.3V power supply.
SGM7223 is designed for the switching of high-speed
USB 2.0 signals in handset and consumer applications,
such as cell phones, digital cameras, and notebooks with
hubs or controllers with limited USB I/Os.
The SGM7223 has low bit-to-bit skew and high
channel-to-channel noise isolation, and is compatible
with various standards, such as high-speed USB 2.0 (480
Mbps). Each switch is bidirectional and offers little or no
attenuation of the high-speed signals at the outputs. Its
bandwidth is wide enough to pass high-speed USB 2.0
differential signals (480 Mb/s) with good signal integrity.
The SGM7223 contains special circuitry on the D+/D-
pins which allows the device to withstand a V
D+ or D- when the USB devices are either powered off or
powered on.
SGM7223 is available in Pb-free TQFN-10 (2.1mm×
1.6mm)
temperature range of -40
APPLICATIONS
Route Signals for USB 2.0
MP3 and Other Personal Media Players
Digital Cameras and Camcorders
Portable Instrumentation
Set-Top Boxs
PDAs
SGM7223
package.
SG Micro Limited
www.sg-micro.com
It
operates
to +85 .
over
an
BUS
ambient
short to
(480Mbps) DPDT Analog Switch
BLOCK DIAGRAM
FEATURES
− R
− Low Bit-to-Bit Skew: 50ps (TYP)
− Voltage Operation : +1.8V to +4.3V
− Fast Switching Times:
− Low Crosstalk: -33dB at 250MHz
− Power-Off Protection when V
− High Off-Isolation: -30dB at 250MHz
− Rail-to-Rail Input and Output Operation
− Break-Before-Make Switching
− Extended Industrial Temperature Range:
− Lead (Pb) Free TQFN-10 (2.1mm × 1.6mm) Package
D+/D- Pins can Tolerate up to 5.25V
-40℃ to +85℃
ON
is Typically 4.5Ω at +3.0V
t
t
ON
OFF
11ns
20ns
High Speed USB 2.0
+
= 0V,
REV. A

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sgm7223 Summary of contents

Page 1

... Its bandwidth is wide enough to pass high-speed USB 2.0 differential signals (480 Mb/s) with good signal integrity. The SGM7223 contains special circuitry on the D+/D- pins which allows the device to withstand when the USB devices are either powered off or powered on. SGM7223 is available in Pb-free TQFN-10 (2.1mm× ...

Page 2

... OFF OFF ON OFF OFF 2 PACKAGE MARKING 7223 TQFN-10 NAME (2.1mm×1.6mm GND HSD1 , HSD2 HSD1 , HSD2 - PACKAGE OPTION Tape and Reel, 3000 FUNCTION Power Supply Ground Select Input Output Enable , + , Data Ports - SGM7223 ...

Page 3

... L +25℃ = 10pF, L +25℃ +25℃ +25℃ +25℃ = 5pF L +25℃ +25℃ = 0Ω, G +25℃ +25℃ -40℃ to +85℃ 1.8 -40℃ to +85℃ + SGM7223 = +25℃, unless 4.5 8.5 Ω 9 0.2 0.6 Ω 1.5 1.8 2.2 Ω 2.8 1 µA 5 µA 1 µA 1 µ ...

Page 4

... TYPICAL PERFORMANCE CHARACTERISTICS Response vs.Frequency 20 0 -20 -40 -60 CROSSTALK -80 -100 -120 -140 0 Frequency(MHz) 20 -20 -40 -60 -80 -100 V = +3V + -120 T = +25℃ A -140 100 1000 4 Response vs.Frequency 0 OFF-ISOLATION 0 100 Frequency(MHz) SGM7223 = +3V = +25℃ 1000 ...

Page 5

... TEST CIRCUITS V HSD1n + HSD2n 0.1 µ Test Circuit 1. On Resistance Dn V OUT GND Test Circuit 2. Switching Times (t Test Circuit 3. Break-Before-Make Time ( 50 OFF OFF ) D SGM7223 90% ...

Page 6

... TEST CIRCUITS (Cont.) Source Signal Source Signal N. 0.1µ HSD1n Dn HSD2n S GND Test Circuit 4. Off Isolation V + 0.1 µ HSDn Dn HSDn Dn S GND Channel To Channel Crosstalk = -20 Test Circuit 5. Channel-to-Channel Crosstalk 6 V OUT OUT HSDn V OUT SGM7223 ...

Page 7

... TEST CIRCUITS (Cont.) Test Circuit 6. -3dB Bandwidth Test Circuit 7. Charge Injection (Q) 7 SGM7223 ...

Page 8

... Meeting USB 2.0 V BUS In section 7.1.1 of the USB 2.0 specification, it notes that USB devices must be able to withstand when the USB devices is either powered off or powered on. The SGM7223 can be successfully configured to meet both these requirements. Power-Off Protection For a V short circuit, the switch is expected to BUS withstand such a condition for at least 24 hours ...

Page 9

... SGM7223 USB2.0 Signal Quality Compliance Tests Figures 1 and 2 show the test results for USB eye diagram tests. A summary of the USB tests is provided in Table 1. The SGM7223 passes the high speed signal quality, eye diagram and jitter tests. Figure 2. High Speed Signal Quality Eye Diagram Test (V+ = 3.3V) Figure 1 ...

Page 10

... SGM7223 USB2.0 Signal Quality Compliance Tests (Cont.) Table 1. Summary of the USB 2.0 Signal Quality Tests Results Measurement MIN Name Eye Diagram Test - 467.3807 Signal Rate Mbps EOP Width - EOP Width (Bits) - 1.100184 Falling Edge Rate kV/µs 1.058148 Rising Edge Rate kV/µs Additional Information: Consecutive Jitter range: -115 ...

Page 11

... PIN #1 DOT BY MARKING TOP VIEW Note: All linear dimensions are in millimeters. 0.400±0.050 0.500 Bsc (×9) 0.200±0.050 2 1 1.500 Ref. BOTTOM VIEW 0.750±0.050 0.000-0.050 SIDE VIEW 11 0.800 Ref. 0.15 0.08 PIN #1 IDENTIFICATION 0.203 Ref. SGM7223 ...

Page 12

... SGMICRO is dedicated to provide high quality and high performance analog IC products to customers. All SGMICRO products meet the highest industry standards with strict and comprehensive test and quality control systems to achieve world-class consistency and reliability. For information regarding SGMICRO Corporation and its products, see www.sg-micro.com 12 Page SGM7223 ...

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